view2.rb

# File curses/view2.rb, line 57
def scroll_down
  if( $top + $screen.maxy < $data_lines.length )
    $screen.scrl(1)
    $top += 1
    str = $data_lines[$top + $screen.maxy - 1]
    if( str )
      $screen.setpos($screen.maxy - 1, 0)
      $screen.addstr(str)
    end
    return true
  else
    return false
  end
end

# File curses/view2.rb, line 42
def scroll_up
  if( $top > 0 )
    $screen.scrl(-1)
    $top -= 1
    str = $data_lines[$top]
    if( str )
      $screen.setpos(0, 0)
      $screen.addstr(str)
    end
    return true
  else
    return false
  end
end